A fully-integrated 900-MHz CMOS wireless receiver with on-chip RF and IF filters and 79-dB image rejection

Design of a sixth-order CMOS high--bandpass filter with automatic tunning for channel selection in wireless receivers is presented. A linearized transconductance ( ) cell is designed and optimized for both noise and linearity. The cells of the biquads and of the tuning circuitry are implemented using unitcells for better matching and less power consumption. The filter prototype achieves a measured bandwidth of 200 kHz at 70 MHz ( = 350). The measured input equivalent noise is 81 nV/ Hz and the IIP 3 is 10 dBm, which corresponds to a dynamic range of about 66 dB. At 2.5 V, the total power consumption is 120 mW.

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A fully-integrated 900-MHz CMOS wireless receiver with on-chip RF and IF filters and 79-dB image rejection

Cited by 2 publications

References 6 publications

A SiGe HBT low noise amplifier using on-chip notch filter for K band wireless communication

A SiGe HBT low noise amplifier using on-chip notch filter for K band wireless communication

A high-Q and wide-dynamic-range 70 MHz CMOS bandpass filter for wireless receivers

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